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Re: Decoders



On Thu, 13 Jul 2000, Matthew Maschmann wrote:

> Robb,
> 
> I have tried the suggestions in the readme file, but they do not seem to
> work for me either.  You said I could cd to the ~ldm directory to test the
> decoders.  How exactly do I do that?

Matt,

- login as LDM  (~ldm is the LDM home dir, where ones ends up on login)
- add the path to the PATH environment var so the the deocders can be
found by the which command. Can be done in the .cshrc file, then do

% source .cshrc

Remember that all the cdl files and station files should be in the ldm/etc
directory.


Run this in the ldm home dir

% metar2nc etc/metar.cdl 0007 < "raw metar file"

could use  testdata.wmo for the raw file.

Robb...




> 
> Matt
> 
> On Thu, 13 Jul 2000, Robb Kambic wrote:
> 
> > On Thu, 13 Jul 2000, Matthew Maschmann wrote:
> > 
> > > Robb,
> > > 
> > > Now that I have decoders successfully configured, I need one last piece of
> > > advice to put me over the hump.  I am running the ldm server, but none of
> > > my data is getting decoded.  Here is an example from my pqact.conf file.
> > > Can you spot anything incorrect about the syntax?  Nothing is getting
> > > created in the data/decoded directory, but the information is getting
> > > filed correctly from the FILE command.
> > >   STDIOFILE data/ncar/upperair/(\1:yy)(\1:mm)\1\2_upa.wmo 
> > > # 
> > > DDS|IDS ^U[ABDEFGHIJKLMPQRSTXZ].... .... ([0-3][0-9])([0-2][0-9])
> > >   PIPE /usr/local/ldm/decoders*/src/upperair/ua2nc
> > >   /usr/local/ldm/decoders*/src/upperair/ua.cdl
> > >   data/decoded/upperair
> > > 
> > 
> > Matt,
> > 
> > Here's the pqact entry UPC uses, note the white space are tabs.  For your
> > entry, I noticed *'s in the entry.  A way to test the entries is to cd to
> > LDMHOME and copy the entry onto the command line, redirecting the STDIN
> > from the raw input file.
> > 
> > Robb...
> > 
> > # upper air perl decoder
> > DDS|IDS ^U[ABDEFGHIJKLMPQRSTXZ].... .... ([0-3][0-9])
> >         PIPE    /usr/local/ldm/decoders/ua2nc
> >                 etc/raob.cdl
> >                 data/decoded
> >                 (\1:yy)(\1:mm)
> > 
> > There are more examples in the README.perlDecoders file with the
> > distribution.
> > 
> > 
> > 
> > > I checked, and the syntax is correct, so it isn't a spacing problem.  Can
> > > you spot anything wrong?
> > > 
> > > Thanks,
> > > Matt
> > > 
> > 
> > ===============================================================================
> > Robb Kambic                            Unidata Program Center
> > Software Engineer III                          Univ. Corp for Atmospheric 
> > Research
> > address@hidden                 WWW: http://www.unidata.ucar.edu/
> > ===============================================================================
> > 
> 

===============================================================================
Robb Kambic                                Unidata Program Center
Software Engineer III                      Univ. Corp for Atmospheric Research
address@hidden             WWW: http://www.unidata.ucar.edu/
===============================================================================